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Finding the Third Proportional to 187,830 and 442,949

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Solution

The third proportional to 187,830 and 442,949 is: 1,044,581.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,830 : 442,949 = 442,949 : x
  2. Step 2: Convert to fraction form
    187,830/442,949 = 442,949/x
  3. Step 3: Cross multiply
    187,830x = 442,949 × 442,949
  4. Step 4: Simplify right side
    187,830x = 196,203,816,601
  5. Step 5: Solve for x
    x = 196,203,816,601/187,830
  6. Step 6: Final answer
    x = 1,044,581.89

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Why These Related Problems?

These problems maintain the same ratio (2.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.